A key element of life found in an interstellar cloud near the newborn star

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2020-01-26 21:40:08

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A key element of life found in an interstellar cloud near the newborn star

it looks like the region AFGL 5142, in which was discovered the young star.

The Key elements of life, such as phosphorus, according to the results of 2013, was discovered in supernova remnants. A supernova is called a phenomenon in which the brightness of the stars dramatically increases by 4-8 orders of magnitude and subsequently decays. But the supernova marks the birth of a star, and her death, which in a sense is outer nonsense. Against this background all the more surprising are the results of a study published in the journal , according to which scientists first discovered one of the key elements of life — the oxide of phosphorus — the cloud of gas and dust surrounding a newborn star. But what does this mean?

Comets may carry the key elements of life from different parts of the galaxy

Astronomers have spotted a young vibrant , which is surrounded by a gas and dust cocoon, from which it was formed. The cocoon is filled with various types of molecules, including two simple phosphorus containing molecules — monoxide and mononitride phosphorus. The team suspects that form these molecules helped the ultraviolet radiation of the newborn stars. It turns out, the oxide of phosphorus prevails in the clouds of gas and dust closest to a newborn star.

As the site of the European southern Observatory, observations of the young star was held in the Atacama desert in Chile. Using the tools of high-resolution ALMA, astronomers were able to consider in detail the star, located in the region of star formation known as AFGL 5142, which is located at a distance of about 7000 light years from Earth. However, the detection of phosphorus in the earliest stages of the life of a star does not necessarily mean that this element will remain in place long enough to become part of the planets. Therefore, the researchers decided to look for evidence near the home, again looking at data from the now defunct spacecraft of the European space Agency, which was engaged in the study of the Churyumov-Gerasimenko from 2014 to 2016.

Comet Churyumov-Gerasimenko (right) and a cloud of gas and dust around a young star (left) and the region where the formed phosphorus oxide

Rosetta was able to detect phosphorus and simple amino acid glycine in the atmosphere of the comet Churyumov-Gerasimenko. The presence of oxide of phosphorus in protozoana the cloud has allowed scientists to take another look at the data and discover that this element is the main form of oxides of phosphorus, predominant in the icy body of the comet. This may mean that comets are the main elements and organic compounds necessary for the origin of life.

As reported , the molecules of phosphorus oxide was also detected in the comet in the Solar system. It helps scientists to link distant region of star formation, where the formation of molecules, with our part of the galaxy. The obtained data complement evidence that comets may have helped to deliver the phosphorus, which is required for DNA and many key organic chemicals on the young Earth. The researchers note that monoxide phosphorus soluble in water, and this makes it much more bioavailable than the phosphorus contained in minerals.

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